Today | Weather | Monday, July 20, 2026

Weather in Eugene, Oregon

02:56 AM
Now
Cloudy Night
63° F
Feels Like 63°
Precipitation 0 %
Wind 5 mph
Humidity 81 %
Today
Cloudy Weather
Day 88°
Night 61°
Precipitation 1 %
Wind 5 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Eugene Weather Forecast Updated

9 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (July 20, 2025)
Cloudy Weather

Day

77°

Night

57°

Wind

6 mph

Precipitation

40 %

Air Quality in Eugene

NOW
16 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.4 µg/m³
PM10 6.09 µg/m³
O3 0.017 ppm
NO2 0.6 ppb
SO2 0.1 ppb
CO 0.07 ppm
NH3 1 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.53.4 µg/m³
PM106.09 µg/m³
O333.66 µg/m³
NO21.22 µg/m³
SO20.19 µg/m³
CO83.1 µg/m³
NH31 µg/m³
NO0 µg/m³